Web development
Using Go’s Standard Maps and Slices Packages
Go 1.21 added two generic helper packages to the standard library: slices and maps. Before that, these utilities lived in…
The Phenomic blog
Web development
JavaScript, browsers and the web platform.
Web development
Go Slices vs. Maps for Lookup-Heavy Code
When you write Go code that checks whether a value exists, fetches a value by key, or removes duplicates from…
Web development
When to Use structuredClone for JavaScript Deep Copies
Copying a JavaScript object is easy to get wrong. A shallow copy such as { ...original } copies the top…
Web development
Common Rust Borrow Checker Errors and How to Fix Them
If you have written more than a few lines of Rust, you have seen a borrow checker error. The borrow…
Web development
Waiting for the Right Event in Browser Tests
A browser test that saves data has to answer one question: when is the save actually done? The page sends…